This namespace contains all the new DirectX11 functionality. It uses SharpDX as .Net wrapper. This has been chosen over slimdx, since it is a direct port, and faster than SlimDX

A solution must still be found for the Input libraries missing in SharpDX

Can be used to render cascaded shadow maps? (see harnessing the power of dx10 from nvidia) GS can be use to output to multiple cascaded shadow maps: use SV_RenderTargetIndex to select shadow map!

Have a look at the CSM implemetation in D3D SDK. There is also an optimized version of CSM in ShaderX 7.

Research on how to use MSAA for this. Humus has a sample: http://www.humus.name/index.php?page=3D&ID=61